1 janv. 1895 - X-Rays
Description:
This was the year that X-Rays were discovered. It took seven weeks of intense work to find out about information. Such as how thick the screen needs to be and the type of radiation.A single chest x-ray can emit and expose the patient to about 0.1 mSv worth of radioactivity.
Ajouté au bande de temps:
Date:
1 janv. 1895
Maintenaint
~ Il y a 130 ans